AH-4 HF 50 MHz AUTOMATIC ANTENNA TUNER

Automatic antenna tuner for a 7 m (23 ft) or longer wire antenna.

Frequency Coverage
3.5 MHz to 54 MHz (with a long wire antenna, 7 m; 23 ft or longer)

7 MHz to 54 MHz (with an optional AH-2b)

 Weight
1.2 kg; 2.65 lb

Dimensions (projections not incuded)
172(W)✕71(H)✕230(D) mm ; 6.77(W)✕2.8(H)✕9.06(D) in

Maximum input power
120W PEP

Input impedance
50 Ω

Power supply requirement
13.8 V DC±15% (negative ground)

 Current drain
Less than 1 A

Auto tuning accuracy
VSWR 2.0:1 or less

Tuning time
Approximately 2 to 3 seconds (Maximum 15 seconds)

 Number of memory ch.
45

Note
for a long wire antenna

ICOM AH-4 Automatic Antenna Tuner with the following:
– AH-4 Antenna Tuner
– Control Cable
– Coaxial Cable
– Operating Manual